MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, disguised as a free download for a medical textbook. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates the primary URL leads to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, likely for SEO manipulation or to host further malicious content. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=brunner+and+suddarth+s+textbook+of+medical+surgical+nursing+pdf+free+download
- http://files.maindeleternel.org/uploads/1/3/1/6/131636655/wifeson.pdf
- http://files.berrylakewi.com/uploads/1/3/0/9/130969742/49bd3e6199cd65d.pdf
- http://files.kyliejordanartistry.com/uploads/1/3/1/4/131437484/podewavemove_rivewuvom_viwifasad_xaresozedilav.pdf
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/18187858715.pdf
- https://cdn.shopify.com/s/files/1/0440/8400/2981/files/54537393614.pdf
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/81552027365.pdf
- https://cdn.shopify.com/s/files/1/0432/1991/0811/files/30994830018.pdf
- https://cdn.shopify.com/s/files/1/0434/1478/2103/files/93336958660.pdf
- https://cdn.shopify.com/s/files/1/0429/0710/7495/files/jifelusilineme.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gizuvesadumewagetikuxumut.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/tafetovudabijutemeturobad.pdf
- https://cdn.shopify.com/s/files/1/0430/9050/9973/files/dupadezofejunevuwakisudu.pdf
- https://cdn.shopify.com/s/files/1/0439/7151/0430/files/pufejozimujumikojuda.pdf
- https://cdn.shopify.com/s/files/1/0434/0868/7269/files/14451381612.pdf
- https://cdn.shopify.com/s/files/1/0429/0940/1251/files/12437557981.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/81552027
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000683f.bin414fee4189df3a1764e4e9875bedbaa59e30ead37f0122931934b790f5882859 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x683F | 5864 bytes |
font_01_sfnt_off00007c16.binf2022caeebb4a96dad1d902a4b8054a7f6fe6c68c77c80d4f051b8b1ae68e264 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C16 | 10032 bytes |
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